CN115111263A - Split type clearance automatic compensation bearing - Google Patents
Split type clearance automatic compensation bearing Download PDFInfo
- Publication number
- CN115111263A CN115111263A CN202210692801.3A CN202210692801A CN115111263A CN 115111263 A CN115111263 A CN 115111263A CN 202210692801 A CN202210692801 A CN 202210692801A CN 115111263 A CN115111263 A CN 115111263A
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- CN
- China
- Prior art keywords
- split
- roller frame
- piston
- bearing seat
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 17
- 239000010687 lubricating oil Substances 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000009347 mechanical transmission Effects 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4641—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages comprising two annular parts joined together
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/762—Sealings of ball or roller bearings by means of a fluid
Abstract
The invention discloses a split clearance automatic compensation bearing, which belongs to the technical field of machinery and comprises split bearing seats, split roller frames, a piston, a roller and a spring; the invention adopts the split bearing seat I and the split bearing seat II to form the annular split bearing seat, and the split roller frame is arranged in the annular split bearing seat, so that half of the rollers on the split roller frame are in rolling friction with the basic friction surface of the split bearing seat, and the other half of the rollers on the split roller frame are in rolling friction with the end cambered surface of the piston, thereby realizing automatic clearance compensation under the action of air pressure or hydraulic pressure, solving the problem that the mechanical efficiency and precision are reduced due to the clearance generated by part processing error and friction in mechanical transmission, ensuring that the mechanical transmission equipment can keep higher precision and transmission efficiency, and ensuring that the mechanical equipment can work and run normally for a longer time.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a split type clearance automatic compensation bearing.
Background
Bearings are widely used in the mechanical field and are critical in the role played by mechanical transmissions, so to speak, the precision of the bearing determines the precision of the mechanical equipment, and it is known that, no matter how sophisticated the equipment and the technology, there are certain errors in the machined parts. The precision of the existing bearing is influenced by three factors, namely the fit clearance between the inner ring of the bearing and a shaft, the fit clearance between the rolling body and the inner ring and the outer ring of the bearing, and the fit clearance between the outer ring of the bearing and a hole.
In addition, in the process of mechanical transmission, certain friction is generated between parts which are matched with each other, the friction further increases the clearance between the mechanical transmission parts, and the vibration is generated in the transmission process, so that the normal use of the equipment is seriously influenced.
Disclosure of Invention
In view of the above problems, an object of the embodiments of the present invention is to provide a split gap automatic compensation bearing, in which a rolling element is always tightly attached to a transmission shaft through a piston by using air pressure or hydraulic pressure, and a gap generated by machining errors or friction is automatically compensated, so as to ensure higher mechanical transmission efficiency and precision of a mechanical transmission device.
In order to achieve the purpose, the invention provides the following technical scheme:
a split clearance automatic compensation bearing comprises a split bearing seat, a split roller frame, a piston, a roller and a spring, wherein the split bearing seat is composed of a split bearing seat I and a split bearing seat II which are symmetrically arranged, and a conical positioning pin and a fastening screw are connected and fixed between the split bearing seat I and the split bearing seat II to form a circular split bearing seat;
a split roller frame is arranged in the split bearing seat, a plurality of rollers are arranged on the split roller frame, and half of the rollers on the split roller frame are in rolling friction with a basic friction surface on the split bearing seat; the split bearing block is provided with a plurality of piston holes, the pistons are installed in the piston holes, one end of each piston is provided with an arc surface, the other end of each piston is provided with a spring, and the arc surfaces at the ends of the pistons are in rolling friction with the rollers.
As a further aspect of the invention, the split bearing housing is rotatably mounted in the mounting housing inner bore.
As a further scheme of the invention, the split roller frame comprises a split roller frame I and a split roller frame II, the split roller frame I and the split roller frame II are symmetrically arranged in a semicircular ring shape, the split roller frame I and the split roller frame II are rotatably arranged in a circular ring-shaped clamping groove formed between the split roller frame I and the split bearing seat II, and the split roller frame I and the split roller frame II are connected to form a split roller frame whole body in a circular ring shape.
As a further scheme of the invention, a plurality of piston holes are uniformly distributed on the split bearing seat I and the split bearing seat II, a piston is arranged in each piston hole, one side of the piston, which is provided with an arc surface, is arranged towards the rollers, and the arc surface of the piston is contacted with the other half of the rollers on the split roller frame.
In a further aspect of the present invention, an outer end of the spring on the piston abuts against a hole stopper, and the hole stopper is located on an outer end surface of the piston hole.
As a further scheme of the invention, the middle part of the piston in the piston hole is provided with an O-shaped sealing ring which is used for increasing the sealing effect of the piston in the piston hole.
As a further scheme of the invention, a sealing chamber is formed between the split bearing seats I and II and an inner hole of the mounting shell, and the sealing chamber is positioned at one end of the piston hole.
As a further scheme of the invention, a plurality of filling holes communicated with the sealing chamber are formed in the split bearing seat, the filling holes are used for filling compressed air or hydraulic oil into the sealing chamber, under the action of the compressed air or hydraulic oil, the cambered surface at the end part of the piston is forced to roll and rub with the roller in an air pressure or hydraulic mode, and the gap generated by machining errors and friction is automatically compensated at any time, so that the equipment has higher transmission precision and longer service life.
As a further scheme of the invention, a plurality of lubricating oil holes are further formed in the split bearing seats I and the split bearing seats II, the plurality of lubricating oil holes are uniformly distributed along the split bearing seats I and the split bearing seats II, and the plurality of lubricating oil holes and the plurality of piston holes are arranged at intervals.
As a further aspect of the present invention, the lubricating oil hole penetrates through the basic friction surface of the split bearing seat and is communicated with the split roller frame, so as to supplement lubricating oil to the split roller frame, so as to lubricate the split roller frame and facilitate the rotation of the rollers on the split roller frame.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
the invention relates to a split clearance automatic compensation bearing, which adopts a split bearing seat I and a split bearing seat II to form a circular split bearing seat, and a split roller frame is arranged in the circular split bearing seat, so that half of rollers on the split roller frame are in rolling friction with a basic friction surface of a split bearing seat, and the other half of rollers on the split roller frame are in rolling friction with an end part cambered surface of a piston, thereby realizing clearance automatic compensation under the action of air pressure or hydraulic pressure, solving the problem that the mechanical efficiency and precision are reduced due to clearance generated by part processing errors and friction in mechanical transmission, ensuring that the mechanical transmission equipment can keep higher precision and transmission efficiency, and ensuring that the mechanical equipment can work and operate normally for a longer time.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic perspective view of a split clearance automatic compensation bearing according to an embodiment of the present invention.
Fig. 2 is a front view of a split clearance automatic compensating bearing according to an embodiment of the present invention.
Fig. 3 is a sectional view taken along the line a-a of the split clearance automatic compensating bearing according to the embodiment of the present invention shown in fig. 2.
Reference numerals: 1-split bearing seat I, 2-split bearing seat II, 3-filling holes, 4-O-shaped sealing rings, 5-springs, 6-hole check rings, 7-tapered positioning pins, 8-fastening screws, 9-sealing chambers, 10-pistons, 11-cambered surfaces, 12-rollers, 13-split roller frames I, 14-split roller frames II, 15-basic friction surfaces and 16-lubricating oil holes.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, 2 and 3, in one embodiment of the present application, there is provided a split clearance automatic compensating bearing comprising a split bearing housing, a split roller frame, a piston 10, a roller 12 and a spring 5. Referring to fig. 1 and 2, the split bearing seat is composed of a split bearing seat i1 and a split bearing seat II2 which are symmetrically arranged, and a conical positioning pin 7 and a fastening screw 8 are connected and fixed between the split bearing seat i1 and the split bearing seat II2 to form a circular split bearing seat.
In the embodiment of the application, the split bearing seat I1 and the split bearing seat II2 are both semicircular ring-shaped bearing seats, and the split bearing seats I1 and the split bearing seats II2 are spliced to form a circular ring-shaped split bearing seat.
In one embodiment of the present application, the split bearing housing is rotatably mounted in the mounting housing bore. Thus, when assembled, two semi-circular bearing seats, namely: the split bearing seat I1 and the split bearing seat II2 are spliced to form a circular bearing seat, two ends of the split bearing seat I1 and the split bearing seat II2 are inserted into the connecting hole through the conical positioning pin 7 and are in threaded connection with the conical positioning pin 7 through the fastening screw 8, the split bearing seat I1 and the split bearing seat II2 are fixed to form a split bearing seat with stable structure after the fastening screw 8 is screwed down, and the split bearing seat after connection is assembled in an inner hole of an installation shell.
In one embodiment of the application, shown in fig. 1, 2 and 3, the split bearing housing has mounted therein a split roller frame with a plurality of rollers 12 mounted thereon. Wherein, to open the roller frame including open roller frame I13 and open roller frame II14, open roller frame I13 and open roller frame II14 are the semicircle ring-shaped that the symmetry set up, open roller frame I13 and open roller frame II14 rotate the setting and are in the ring shape draw-in groove that forms between open roller frame I13 and the open bearing frame II2, open roller frame I13 and open roller frame II14 connect and constitute the whole of the ring shape of opening roller frame of ring one by one.
In one embodiment of the present application, referring to fig. 2 and 3, half of the rollers 12 on the split roller frame are in rolling friction with the base friction surface 15 on the split bearing housing; the split bearing seat is provided with a plurality of piston holes, the piston 10 is installed in the piston holes, one end of the piston 10 is provided with an arc surface 11, the other end of the piston 10 is provided with a spring 5, and the end part arc surface 11 of the piston 10 is in rolling friction with the roller 12.
In the embodiment of this application, a plurality of the piston hole evenly distributed is on split bearing frame I1 and split bearing frame II2, install a piston 10 in the piston hole, the one side that is provided with cambered surface 11 on the piston 10 sets up towards roller 12, the cambered surface 11 of piston 10 with half the quantity of roller 12 contact on the split roller frame.
The outer end of the spring 5 on the piston 10 abuts against the hole retainer ring 6, and the hole retainer ring 6 is positioned on the outer end face of the piston hole.
In the embodiment of the present application, referring to fig. 2 and 3, an O-ring 4 is installed in the middle of the piston 10 in the piston hole, and the O-ring 4 is used for increasing the sealing effect of the piston 10 in the piston hole.
When in use, half of the rollers 12 on the split roller frame are in rolling friction with the basic friction surface 15 of the split bearing seat, the initial basic precision is kept, and the O-shaped sealing ring 4 is arranged in the middle of the piston 10 to increase the sealing performance in the piston hole.
In one embodiment of the present application, and as shown in FIGS. 1, 2 and 3, the split bearing housings I1 and II2 form a seal chamber 9 with the mounting housing bore, the seal chamber 9 being located at one end of the piston bore.
In the embodiment of the present application, the split bearing seat is provided with a plurality of 10002 connecting to the sealing chamber 9
The filling hole 3 is used for filling compressed air or hydraulic oil into the sealing chamber 9, and the end cambered surface 11 of the piston 10 is forced to roll and rub with the roller 12 in an air pressure or hydraulic mode under the action of the compressed air or hydraulic oil, so that automatic clearance compensation is realized, and the clearance generated by machining errors and friction is automatically compensated at any time, so that the equipment has higher transmission precision and longer service life.
In an embodiment of the present application, as shown in fig. 1, fig. 2 and fig. 3, a plurality of lubricating oil holes 16 are further provided on the split bearing seat i1 and the split bearing seat II2, and the plurality of lubricating oil holes 16 are uniformly distributed on the split bearing seat i1 and the split bearing seat II2, a plurality of the lubricating oil holes 16 and a plurality of the piston holes are arranged at intervals.
In the embodiment of the present application, the lubricating oil hole 16 is communicated with the split roller frame through the basic friction surface 15 of the split bearing seat, and is used for supplementing lubricating oil to the split roller frame so as to lubricate the split roller frame and facilitate the rotation of the roller 12 on the split roller frame.
The invention relates to a split clearance automatic compensation bearing, which adopts a split bearing seat I1 and a split bearing seat II2 to form a circular split bearing seat, and a split roller frame is arranged in the circular split bearing seat, so that half of rollers 12 on the split roller frame are in rolling friction with a basic friction surface 15 of a pair of split bearing seats, and the other half of rollers 12 on the split roller frame are in rolling friction with an end part cambered surface 11 of a piston 10, thereby realizing clearance automatic compensation under the action of air pressure or hydraulic pressure, solving the problem that the mechanical efficiency and precision are reduced due to clearance generated by part processing error and friction in mechanical transmission, ensuring that the mechanical transmission equipment can keep higher precision and transmission efficiency, and ensuring that the mechanical equipment can work and run normally for a longer time.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.
Claims (10)
1. The split clearance automatic compensation bearing is characterized by comprising a split bearing seat, a split roller frame, a piston (10), a roller (12) and a spring (5);
the split bearing seats are composed of a split bearing seat I (1) and a split bearing seat II (2) which are symmetrically arranged, and a conical positioning pin (7) and a fastening screw (8) are connected and fixed between the split bearing seats I (1) and the split bearing seats II (2) to form a circular split bearing seat;
a split roller frame is arranged in the split bearing seat, a plurality of rollers (12) are arranged on the split roller frame, and a half of rollers (12) on the split roller frame are in rolling friction with a basic friction surface (15) on the split bearing seat; the split bearing seat is provided with a plurality of piston holes, the pistons (10) are installed in the piston holes, one ends of the pistons (10) are provided with cambered surfaces (11), the other ends of the pistons (10) are provided with springs (5), and the end cambered surfaces (11) of the pistons (10) are in rolling friction with the rollers (12).
2. The split clearance self-compensating bearing of claim 1, wherein the split bearing blocks are rotatably fitted in the mounting housing bores.
3. The split gap automatic compensation bearing as claimed in claim 1, wherein the split roller frame comprises a split roller frame i (13) and a split roller frame ii (14), the split roller frame i (13) and the split roller frame ii (14) are symmetrically arranged in a semicircular shape, the split roller frame i (13) and the split roller frame ii (14) are rotatably arranged in a circular clamping groove formed between the split roller frame i (13) and the split bearing seat ii (2), and the split roller frame i (13) and the split roller frame ii (14) are connected to form a circular split roller frame whole.
4. The split gap automatic compensation bearing according to claim 3, wherein a plurality of the piston holes are uniformly distributed on the split bearing seat I (1) and the split bearing seat II (2), a piston (10) is installed in each piston hole, one side of the piston (10) provided with the cambered surface (11) is arranged towards the rollers (12), and the cambered surface (11) of the piston (10) is in contact with the other half of the rollers (12) on the split roller frame.
5. Split gap self-compensating bearing according to claim 4, characterized in that the outer end of the spring (5) on the piston (10) abuts against a bore land (6), the bore land (6) being located on the outer end face of the piston bore.
6. Split gap self-compensating bearing according to claim 1, wherein an O-ring (4) is mounted in the piston bore in the middle of the piston (10).
7. The split gap automatic compensating bearing according to claim 2, wherein a sealing chamber (9) is formed between the split bearing seats I (1) and II (2) and the inner bore of the mounting housing, and the sealing chamber (9) is located at one end of the piston bore.
8. The split gap automatic compensation bearing according to claim 7, wherein the split bearing seat is provided with a plurality of filling holes (3) communicated with the sealing chamber (9), and the filling holes (3) are used for filling compressed air or hydraulic oil into the sealing chamber (9).
9. The split gap automatic compensation bearing according to claim 8, wherein a plurality of lubricating oil holes (16) are further formed in the split bearing seats I (1) and the split bearing seats II (2), the plurality of lubricating oil holes (16) are uniformly distributed along the split bearing seats I (1) and the split bearing seats II (2), and the plurality of lubricating oil holes (16) are arranged at intervals with the plurality of piston holes.
10. The split gap self-compensating bearing according to claim 9, wherein the lubricating oil hole (16) communicates with the split roller frame through a base friction surface (15) of the split bearing housing for replenishing the split roller frame with lubricating oil.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210692801.3A CN115111263B (en) | 2022-06-17 | 2022-06-17 | Split type gap automatic compensation bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210692801.3A CN115111263B (en) | 2022-06-17 | 2022-06-17 | Split type gap automatic compensation bearing |
Publications (2)
Publication Number | Publication Date |
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CN115111263A true CN115111263A (en) | 2022-09-27 |
CN115111263B CN115111263B (en) | 2023-10-27 |
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CN202210692801.3A Active CN115111263B (en) | 2022-06-17 | 2022-06-17 | Split type gap automatic compensation bearing |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU709858A1 (en) * | 1978-02-09 | 1980-01-15 | Предприятие П/Я М-5727 | Radial segmented bearing |
JPS5560716A (en) * | 1978-10-26 | 1980-05-08 | Mitsui Eng & Shipbuild Co Ltd | Automatic gap adjusting type bearing |
US4643592A (en) * | 1984-11-09 | 1987-02-17 | Lewis David W | Vibration limiting of rotating machinery through active control means |
DE19806882A1 (en) * | 1997-12-22 | 1999-07-08 | Hunger Walter Dr Ing E H | Device for the radial pressing of a sealing body |
CN2665449Y (en) * | 2003-11-13 | 2004-12-22 | 陈宜平 | Unidirectional bearing arrangement |
US20130022482A1 (en) * | 2011-07-19 | 2013-01-24 | Spx Corporation | Non-circular bearing and a method for rotating a cam |
DE102012222501A1 (en) * | 2012-12-07 | 2014-06-12 | Schaeffler Technologies Gmbh & Co. Kg | Bearing arrangement for use in propulsion shaft of ship, has electromechanical tensioning arrangement applying clamping force on outer bearing ring elements such that ring elements push each other |
CN105805155A (en) * | 2014-12-31 | 2016-07-27 | 锦州新锦化机械制造有限公司 | Cooled bearing |
-
2022
- 2022-06-17 CN CN202210692801.3A patent/CN115111263B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU709858A1 (en) * | 1978-02-09 | 1980-01-15 | Предприятие П/Я М-5727 | Radial segmented bearing |
JPS5560716A (en) * | 1978-10-26 | 1980-05-08 | Mitsui Eng & Shipbuild Co Ltd | Automatic gap adjusting type bearing |
US4643592A (en) * | 1984-11-09 | 1987-02-17 | Lewis David W | Vibration limiting of rotating machinery through active control means |
DE19806882A1 (en) * | 1997-12-22 | 1999-07-08 | Hunger Walter Dr Ing E H | Device for the radial pressing of a sealing body |
CN2665449Y (en) * | 2003-11-13 | 2004-12-22 | 陈宜平 | Unidirectional bearing arrangement |
US20130022482A1 (en) * | 2011-07-19 | 2013-01-24 | Spx Corporation | Non-circular bearing and a method for rotating a cam |
DE102012222501A1 (en) * | 2012-12-07 | 2014-06-12 | Schaeffler Technologies Gmbh & Co. Kg | Bearing arrangement for use in propulsion shaft of ship, has electromechanical tensioning arrangement applying clamping force on outer bearing ring elements such that ring elements push each other |
CN105805155A (en) * | 2014-12-31 | 2016-07-27 | 锦州新锦化机械制造有限公司 | Cooled bearing |
Also Published As
Publication number | Publication date |
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CN115111263B (en) | 2023-10-27 |
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